ST STM32F405RGT6

Product FAQ

• 1. What are the primary computational and internal processing specifications of the STM32F405RGT6 microcontroller?
  The STMicroelectronics STM32F405RGT6 is a high-performance microcontroller based on a 32-bit ARM Cortex-M4 processor core with an integrated hardware Floating Point Unit (FPU). It operates at a maximum clock frequency of 168 MHz, delivering up to 210 DMIPS of processing performance. The device incorporates ST's Adaptive Real-Time (ART) Accelerator, enabling 0-wait-state execution from embedded Flash memory under supported operating conditions. The microcontroller operates from a 1.8 V to 3.6 V supply voltage, making it suitable for a wide range of embedded and industrial applications.
• 2. How are the volatile RAM and non-volatile storage spaces allocated inside this specific MCU model?
  The STM32F405RGT6 integrates 1 MB of embedded Flash memory for application storage together with 192 KB of SRAM, including a 64 KB Core Coupled Memory (CCM) SRAM dedicated to high-speed data access by the Cortex-M4 core. The CCM memory is directly connected to the processor core and is intended for performance-critical data and routines that benefit from low-latency memory access.
• 3. Which communication interfaces and signal conversion peripherals are integrated into the STM32F405RGT6?
  The STM32F405RGT6 provides a comprehensive set of communication peripherals, including four USARTs, two UARTs, three SPI interfaces, three I²C interfaces, and two CAN 2.0B controllers. It also features USB OTG Full-Speed and High-Speed controllers for USB connectivity. For analog applications, the device integrates three 12-bit ADCs supporting up to 24 input channels and two 12-bit DAC channels. The LQFP64 package also provides numerous general-purpose I/O pins for flexible peripheral interfacing.
• 4. What are the physical package specifications and operating temperature range of the STM32F405RGT6?
  The STM32F405RGT6 is supplied in a 64-pin Low-Profile Quad Flat Package (LQFP64) with a 10.0 mm × 10.0 mm body size. It is specified for the industrial operating temperature range of −40°C to +85°C, making it suitable for industrial and embedded applications requiring reliable operation across a wide range of ambient temperatures.
• 5. Why is the STM32F405RGT6 well suited for embedded product development and volume manufacturing?
  The STM32F405RGT6 includes a factory-programmed system bootloader that supports in-system firmware programming through supported communication interfaces, simplifying firmware updates during development and production. Combined with its high processing performance, rich peripheral set, embedded Flash and SRAM, and widely adopted LQFP64 package, the device is well suited for commercial embedded systems, industrial controllers, motor control, communication equipment, and other high-volume applications.